Jabra BIZ 2400 Duo vs. Poly Voyager Focus B825

Headphones Comparison, Reviews and Tests

In depth comparison and review of Jabra BIZ 2400 Duo and Poly Voyager Focus B825. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

Jabra BIZ 2400 Duo vs. Poly Voyager Focus B825 Comparison Chart
DESIGN AND DIMENSIONS Jabra BIZ 2400 Duo Poly Voyager Focus B825
Product Type Headset - wired Headset - Bluetooth - wireless - USB-A via Bluetooth adapter
Height - 7 cm
Width - 18.3 cm
Depth - 16 cm
Weight - 155 g
Colour - Black
Body Material KEVLAR, surgical steel -
Recommended Use - Portable electronics, computer
Bluetooth Range (Operating Distance) - 30 m
SOUND QUALITY Jabra BIZ 2400 Duo Poly Voyager Focus B825
Headphones Form Factor On-ear On-ear
Headphones Technology Dynamic -
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 4.1
Active Noise Cancelling - Yes Poly Voyager Focus B825 are equipped with active noice cancellation.
Active Noise Cancelling Technology - SoundGuard DIGITAL
Noise Isolating Yes - Jabra BIZ 2400 Duo are equipped with a noise isolating function.
Sound Output Mode Stereo Stereo
Frequency Response 300 - 3400 Hz 20 - 20000 Hz Poly Voyager Focus B825 offer a larger frequency range than Jabra BIZ 2400 Duo.
Diaphragm - 32 mm
Simultaneously Connectable Devices Qty (Multipoint) - 8 Poly Voyager Focus B825 have the ability to connect to multiple devices simultaneously.
Magnet Material Neodymium -
Features - Smart Sensor Technology
MICROPHONE Jabra BIZ 2400 Duo Poly Voyager Focus B825
Type Boom Boom
Microphone Operation Mode Omni-directional MEMS-directional
Frequency Response - 100 - 6700 Hz
Microphones Included - 3
REMOTE CONTROL Jabra BIZ 2400 Duo Poly Voyager Focus B825
Controls - Volume, answer/end, microphone on/mute, play/pause
CABLE Jabra BIZ 2400 Duo Poly Voyager Focus B825
Cable Type Headset cable Micro-USB charging cable
BATTERY AND CHARGING Jabra BIZ 2400 Duo Poly Voyager Focus B825
Battery Type - Headset battery rechargeable
Battery Capacity - 325 mAh
Battery Life - 15 hour(s)
Battery Life Details - Continuous playback (AAC, active noise-cancelling on): up to 12 hours
Continuous talk (active noise-cancelling off): up to 12 hours
Continuous talk (active noise-cancelling on): up to 10 hours
Continuous playback (active noise-cancelling off): up to 15 hours
Charging Time - 2 hour(s)
CONNECTIONS Jabra BIZ 2400 Duo Poly Voyager Focus B825
Connector Type Headset -
OTHERS Jabra BIZ 2400 Duo Poly Voyager Focus B825
Included Accessories - Travel pouch, BT700 Bluetooth USB adapter
Software Certification - Certified for Skype for Business
Compliant Standards EN 60950, UL 60950, AS/NZS 3260, IEC 60950-1 -
TAA Compliant - Yes
Service & Support Limited warranty - 3 years -
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